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Finding the Fourth Proportional to 10,669.40, 16,004.10 and 4,513.40

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Solution

The fourth proportional to 10,669.40, 16,004.10 and 4,513.40 is: 6,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.40 : 16,004.10 = 4,513.40 : x
  2. Step 2: Convert to fraction form
    10,669.40/16,004.10 = 4,513.40/x
  3. Step 3: Cross multiply
    10,669.40x = 16,004.10 × 4,513.40
  4. Step 4: Simplify right side
    10,669.40x = 72,232,904.94
  5. Step 5: Solve for x
    x = 72,232,904.94/10,669.40
  6. Step 6: Final answer
    x = 6,770.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.